The difficulties in acquiring speech skills that are encountered by severely and profoundly deaf children may be considered in terms of the complexity of the speech signal. (Author)

This assessment of L. Kohlberg's theory of moral development is a dialectical critique focusing on his claim that the sixth stage of moral development is morally adequate, specifically, that it is both comprehensive and fully equilibrated. Includes a brief account of B. J. Lonergan's dialectical method and an analysis of the sixth stage of…

Reports two studies supporting the prediction derived from Hershenson's life-stage vocational development model that average scores on Self-differentiation (worker self-concept and motivation) would exceed those on Competence (work habits, skills, and interpersonal relations), which in turn would exceed those on Independence (appropriateness and…

Explores the hypothesis that there is a decline in operational thought ability in the elderly. Two samples of elderly males, with mean ages of 71.80 and 74.29 years respectively, were tested for their ability to conserve mass, surface areas and volume. (BD)

Discusses the theories of Piaget, Bruner, Lifschitz and Langford, Vygotsky and others. (SB)

This article seeks evidence for a developmental process in childhood deviance. (Author)

Author contends that much dissatisfaction and alienation surrounding schools stems partly from their failure to have matched their curricula to the various developmental stages through which all students must pass. Articulation attempts to balance the right educational environment to the student's level of development and four basic learning…

This study tested the Flavell and Wohlwill model of stage formation on two formal operations (implication and disjunction) using negation as a performance factor. Subjects were 81 tenth- and eleventh-grade boys. (Author/JMB)

Methadone has been defined as an agent to draw addicts out of the street life into "straight" society. However, the complementary perspective of the streets sees methadone as a new, widely available drug to be integrated into a subculture previously dominated by heroin. This article discusses the adaptation to methadone and its…

A sample of 86 college students aged 18 to 35 years of age were asked to solve three formal operations tasks and to participate in a problem-finding task. No relation was found between performance on problem-finding and the formal operations task. (JMB)

The development of the concept of object permanence was investigated with eight infants with cleft lip/palate and four nonimpaired infants. Superior performance of the cleft lip/palate group was found, possibly due to increased environmental stimulation provided by parents. (DB)

Investigated relationship between perceived parental drug use and college student (N=106) drug use. Psychoactive mushroom users and nonusers completed a questionnaire regarding social and subjective aspects of drug use, including parental drug use. Men's drug use was relatively independent of, while women's drug use was strongly related to,…

Recent research suggests that the communicative profile associated with autism is explained by factors related to the child's language-learning environment as well as inherent factors. A working model of the ontogeny of communicative functions of autistic children is proposed. Clinical implications for language intervention are offered. (Author/CB)